499133121 has 16 divisors (see below), whose sum is σ = 682756800. Its totient is φ = 324172800.

The previous prime is 499133119. The next prime is 499133147. The reversal of 499133121 is 121331994.

It is a happy number.

It is not a de Polignac number, because 499133121 - 2¹ = 499133119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499133101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46905 + ... + 56553.

It is an arithmetic number, because the mean of its divisors is an integer number (42672300).

Almost surely, 2^499133121 is an apocalyptic number.

It is an amenable number.

499133121 is a deficient number, since it is larger than the sum of its proper divisors (183623679).

499133121 is a wasteful number, since it uses less digits than its factorization.

499133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096.

The product of its digits is 5832, while the sum is 33.

The square root of 499133121 is about 22341.2873621911. The cubic root of 499133121 is about 793.2415657610.

The spelling of 499133121 in words is "four hundred ninety-nine million, one hundred thirty-three thousand, one hundred twenty-one".